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February 15, 2021 11:09 am

Israeli Study Finds 94% Drop in Symptomatic COVID-19 Cases With Pfizer Vaccine

avatar by Reuters and Algemeiner Staff

A medical worker gets her second vaccination injection against the coronavirus disease as Israel continues its national vaccination drive during a third national COVID-19 lockdown, at Tel Aviv Sourasky Medical Center (Ichilov Hospital) in Tel Aviv, Israel, January 10, 2021. Photo: REUTERS/ Ronen Zvulun.

Israel’s largest healthcare provider on Sunday reported a 94% drop in symptomatic COVID-19 infections among 600,000 people who received two doses of the Pfizer’s vaccine in the country’s biggest study to date.

Health maintenance organization (HMO) Clalit, which covers more than half of all Israelis, said the same group was also 92% less likely to develop severe illness from the virus.

The comparison was against a group of the same size, with matching medical histories, who had not received the vaccine.

“It shows unequivocally that Pfizer’s coronavirus vaccine is extremely effective in the real world a week after the second dose, just as it was found to be in the clinical study,” said Ran Balicer, Clalit’s chief innovation officer.

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He added that the data indicates the Pfizer vaccine, which was developed in partnership with Germany’s BioNTech, is even more effective two weeks or more after the second shot.

Researchers at the Weizmann Institute of Science, who have been tabulating national data, said on Sunday that a sharp decline in hospitalization and serious illness identified earlier among the first age group to be vaccinated — aged 60 or older — was seen for the first time in those aged 55 and older.

Hospitalizations and serious illness were still rising in younger groups who began vaccinations weeks later.

Israel has been conducting a rapid vaccine rollout and its database offers insights into vaccine effectiveness and at what point countries might attain herd immunity.

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